Product information:. Product Category: Electric Toothbrush. Gear: 5th gear. Power type: Rechargeable. Motor type: magnetic suspension motor. Function: self-cleaning. Noise: 46-70db. Motor speed: 30000~39999 rpm. Bruch head: soft fur. Battery life: more than 30 days. Built-in battery capacity; 501mAh (inclusive)-800mAh (inclusive). Waterproof: Level 7 waterproof. With a built-in battery or not: Built-in battery. Timing: 2 minutes. Packing list:. Bamboo electric toothbrush * 1box. Product Image: